1136649888 has 192 divisors, whose sum is σ = 3706093440. Its totient is φ = 335923200.

The previous prime is 1136649851. The next prime is 1136649889. The reversal of 1136649888 is 8889466311.

1136649888 is a `hidden beast` number, since 1 + 13 + 66 + 498 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1136649889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388206 + ... + 391122.

It is an arithmetic number, because the mean of its divisors is an integer number (19302570).

Almost surely, 2^1136649888 is an apocalyptic number.

1136649888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136649888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853046720).

1136649888 is an abundant number, since it is smaller than the sum of its proper divisors (2569443552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136649888 is a wasteful number, since it uses less digits than its factorization.

1136649888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988 (or 2974 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 1136649888 is about 33714.2386537202. The cubic root of 1136649888 is about 1043.6196262607.

The spelling of 1136649888 in words is "one billion, one hundred thirty-six million, six hundred forty-nine thousand, eight hundred eighty-eight".